body, #content-container {
    margin: 0;
    padding: 0;
}
/* font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"; */
    /* --font-family-monospace: SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace; */
body {
    display: flex;
    justify-content: center;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    background-color: #F2F9D5;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
#content-container img {
    max-width: 800px;
}

#content-container {
    height: 100%;
    width: 900px;
    padding-bottom: 200px;
    padding-left: 20px;
    padding-right: 20px;
    background-color: white;
}

.copyer {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    right: 8px;
    top: 8px;
    width: 28px;
    height: 28px;
    border-radius: 7px;
    background-color: rgba(197, 199, 201, 0.6);
    cursor: pointer;
}
pre {
    position: relative;
    top: 0;
    left: 0;
}

:not(pre) > code {
    color: #C71D23;
    background-color: #eee;
    display: inline-block;
    height: 2em;
    line-height: 2em;
}

pre code , pre{
    color: black;
    background: #def;
}
pre code {
    display: block;
    padding-top: 10px;
    padding-bottom: 10px;
    overflow-x: auto;
}

:not(pre) > code::before, :not(pre) > code::after {
    content: '  ';
    display: inline-block;
    width: 10px;
}

table {
    display: table;
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    border: 1px solid gray;
}

table th {
    vertical-align: inherit;
    border: 1px solid gray;
}

table td {
    display: table-cell;
    vertical-align: inherit;
    border: 1px solid gray;
}
tbody tr:nth-child(odd) {
    background-color: #eee;
}

#site-nav-shower, #page-nav-shower {
    position: fixed;
    top: 20vh;
    writing-mode: vertical-lr;
    box-shadow: 2px 2px 1px #888888;
    background-color: rgba(247, 239, 239, 0.3);
    color: rgba(158, 154, 154, 0.5);
    font-size: 25px;
    font-weight: bolder;
    border-radius: 13px;
    padding: 10px;
    cursor: pointer;
}
#site-nav-shower:hover, #page-nav-shower:hover {
    color: tomato;
    background: #def;
}
#site-nav-shower {
    left: 1px;
}
#page-nav-shower {
    right: 1px;
}

.divShow{
    display: block;
}
.divHide{
    display: none;
}

#site-nav-hider, #page-nav-hider {
    display: inline-block;
    height: 20px;
    width: 80px;
    position: absolute;
    right: 10px;
    color: gray;
    cursor: pointer;
}
#site-nav-hider {
    top: 30px;
}
#page-nav-hider {
    top: 10px;
}

#site-nav {
    height: 85vh;
    width: 320px;
    overflow: hidden;
    position: fixed;
    top: 40px;
    left: 40px;
    background-color: white;
    box-shadow: 10px 10px 5px #888888;
    border-radius: 15px;
    padding-right: 50px;
}
#site-nav h1 {
    width: 100%;
    height: 50px;
    padding-left: 20px;
}
#site-nav > ul {
    width: 100%;
    height: 63vh;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: none; /* Firefox 隐藏滚动条 */
    -ms-overflow-style: none; /* IE 10+ 隐藏滚动条 */
}
#site-nav > ul::-webkit-scrollbar {
    display: none; /* Chrome Safari 隐藏滚动条 */
}

#site-nav span:hover {
    color: tomato;
    font-weight: bolder;
    cursor: pointer;
}
#site-nav span.current {
    color: tomato;
    font-weight: bolder;
}


#page-nav {
    max-height: 70vh;
    width: 320px;
    position: fixed;
    top: 200px;
    right: 60px;
    background-color: white;
    box-shadow: 10px 10px 5px #888888;
    border-radius: 15px;
    padding-right: 50px;
    overflow-x: hidden;
    overflow-y: auto;
}

#page-nav li, #site-nav li {
    list-style-type:none;
}

/* 提示--start */
.tip-board {
    position: fixed;
    top: 100px;
    left: calc(50vw - 15em/2 - 11px/2);
    height: 3em;
    background-color: white;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 5px 5px 15px #888888;
}
.tip-board::after {
    clear: both;
}
.tip-board-head {
    float: left;
    width: 11px;
    height: 100%;
}
.tip-board-content {
    display: flex;
    justify-content: center;
    align-items: center;
    float: right;
    width: 15em;
    height: 100%;
}
/* 提示--end */